April 6 - A disgruntled employee kills four people, then killed himself in OC Transpo of Ottawa

April 28 - W. R. Myers High School shooting:Taber, Alberta, a 15-year-old boy, who has recently been withdrawn from public school to escape bullying, walks into W.R. Myers High School and shoots two students with a .22 rifle, killing one (Jason Lang) and injuring the other.

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